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How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...ns. Anyway, here's a test:
auto q = make_array(make_array(make_array(std::string("Cat1"), std::string("Dog1")), make_array(std::string("Mouse1"), std::string("Rat1"))),
make_array(make_array(std::string("Cat2"), std::string("Dog2")), make_array(std::string("Mouse2"), std::string...
Java List.add() UnsupportedOperationException
I try to add objects to a List<String> instance but it throws an UnsupportedOperationException .
Does anyone know why?
...
What are Aggregates and PODs and how/why are they special?
...er-defined constructor is present, it means that the user needs to do some extra work to initialize the members therefore brace initialization would be incorrect. If virtual functions are present, it means that the objects of this class have (on most implementations) a pointer to the so-called vtabl...
What do
...case class Foo[A](a:A) { // 'A' can be substituted with any type
// getStringLength can only be used if this is a Foo[String]
def getStringLength(implicit evidence: A =:= String) = a.length
}
The implicit argument evidence is supplied by the compiler, iff A is String. You can think of it a...
SQL variable to hold list of integers
...d a list of integers. But what you can do is store a list of integers as a string.
DECLARE @listOfIDs varchar(8000);
SET @listOfIDs = '1,2,3,4';
You can then split the string into separate integer values and put them into a table. Your procedure might already do this.
You can also use a dynamic ...
How does the Java 'for each' loop work?
...
for (Iterator<String> i = someIterable.iterator(); i.hasNext();) {
String item = i.next();
System.out.println(item);
}
Note that if you need to use i.remove(); in your loop, or access the actual iterator in some way, you canno...
Android, How can I Convert String to Date?
...
From String to Date
String dtStart = "2010-10-15T09:27:37Z";
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
try {
Date date = format.parse(dtStart);
System.out.println(date);
} catch...
How to escape the % (percent) sign in C's printf?
...en compiled. printf is a run-time function, so it deals with bytes of your string, not with C source code, and it has its own escape sequences that are parts of the function. In short, printf is a "language inside a language", and printf("This is a's value: %s\n", a); gives the same result as printf...
Read/Write 'Extended' file properties (C#)
...mation from the COM tab of the References dialog.
public static void Main(string[] args)
{
List<string> arrHeaders = new List<string>();
Shell32.Shell shell = new Shell32.Shell();
Shell32.Folder objFolder;
objFolder = shell.NameSpace(@"C:\temp\testprop");
for( int...
How to convert boost path type to string?
...
You just need to call myPath.string().
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